<template>
  <div>
    <!-- 面包屑导航区域 无需与后台交互 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>订单管理</el-breadcrumb-item>
      <el-breadcrumb-item>订单列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域  无后台交互-->
    <el-card>
      <el-row>
        <el-col :span="8">
          <el-input placeholder="请输入内容">
            <el-button slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
      </el-row>

      <!-- 订单列表数据  :data是后台获取订单列表数据 prop是后台响应数据的参数  slot-scope也是后台参数数据-->
      <el-table :data="orderlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="订单编号" prop="order_number"></el-table-column>
        <el-table-column label="订单价格" prop="order_price"></el-table-column>
        <el-table-column label="是否付款" prop="pay_status">
          <template slot-scope="scope">
            <el-tag type="success" v-if="scope.row.pay_status === '1'">已付款</el-tag>
            <el-tag type="danger" v-else>未付款</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="是否发货" prop="is_send">
          <template slot-scope="scope">
            <template>
              {{scope.row.is_send}}
            </template>
          </template>
        </el-table-column>
        <el-table-column label="下单时间" prop="create_time">
          <template slot-scope="scope">
            {{scope.row.create_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template>
            <el-button size="mini" type="primary" icon="el-icon-edit" @click="showBox"></el-button>
            <el-button size="mini" type="success" icon="el-icon-location" @click="showProgressBox"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 也是用获取订单列表的那些数据 -->
      <el-pagination @size-change="handleSizeChange" 
      @current-change="handleCurrentChange" 
      :current-page="queryInfo.pagenum" 
      :page-sizes="[5, 10, 15]" 
      :page-size="queryInfo.pagesize" 
      layout="total, sizes, prev, pager, next, jumper" 
      :total="total">
      </el-pagination>
    </el-card>

    <!-- 修改地址的对话框-上面操作button点击-->
    <el-dialog title="修改地址" :visible.sync="addressVisible" width="50%" @close="addressDialogClosed">
      <!-- 对话框里面的表单 -->
      <el-form :model="addressForm" :rules="addressFormRules" ref="addressFormRef" label-width="100px">
        <el-form-item label="省市区/县" prop="address1">
          <!-- 表单里面的输入框变成级联选择器  bug因为是引入外来的,可以显示二级数据了-->
          <el-cascader :options="cityData" v-model="addressForm.address1"></el-cascader>
        </el-form-item>
        <el-form-item label="详细地址" prop="address2">
          <el-input v-model="addressForm.address2"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addressVisible = false">取 消</el-button>
        <el-button type="primary" @click="addressVisible = false">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 展示物流进度的对话框-按钮绑定事件  bug无法展示时间物流组件效果-->
    <el-dialog 
    title="物流进度" :visible.sync="progressVisible" width="50%">
      <!-- 时间线 因为需要2.6以上elments-ui,又不想更新 所以引入插件文件和导入插件 后台数据-查询物流信息 -->
      <el-timeline>
        <el-timeline-item v-for="(activity, index) in progressInfo" :key="index" :timestamp="activity.time">
          {{activity.context}}
        </el-timeline-item>
      </el-timeline>
    </el-dialog>
  </div>
</template>

<script>
// 导入级联选择器插件
import cityData from './citydata.js'

export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      total: 0,
      // 列表功能为空
      orderlist: [],
      // 隐藏对话框
      addressVisible: false,
      addressForm: {
        // 级联框数据渲染
        address1: [],
        // 地址填写字符串
        address2: ''
      },
      // 表单校验规则
      addressFormRules: {
        address1: [
          { required: true, message: '请选择省市区县', trigger: 'blur' }
        ],
        address2: [
          { required: true, message: '请填写详细地址', trigger: 'blur' }
        ]
      },
      cityData,
      // 隐藏物流对话框
      progressVisible: false,
      progressInfo: []
    }
  },
  created() {
    this.getOrderList()
  },
  methods: {
    // 获取后台订单列表
    async getOrderList() {
      const { data: res } = await this.$http.get('orders', {
        params: this.queryInfo
      })

      if (res.meta.status !== 200) {
        return this.$message.error('获取订单列表失败！')
      }

      console.log(res)
      // 保存列表数据到data中的
      this.total = res.data.total
      this.orderlist = res.data.goods
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getOrderList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getOrderList()
    },
    // 展示修改地址的对话框
    showBox() {
      // 显示物流对话框
      this.addressVisible = true
    },
    addressDialogClosed() {
      // 请求级联选择框里面的数据
      this.$refs.addressFormRef.resetFields()
    },
    // 查询获取物流信息后台数据
    async showProgressBox() {
      const { data: res } = await this.$http.get('/kuaidi/804909574412544580')

      if (res.meta.status !== 200) {
        return this.$message.error('获取物流进度失败！')
      }

      this.progressInfo = res.data

      this.progressVisible = true
      console.log(this.progressInfo)
    }
  }
}
</script>

<style lang="less" scoped>
// <!-- 导入时间线插件样式 -->
@import '../../plugins/timeline/timeline.css';
@import '../../plugins/timeline-item/timeline-item.css';
// <!-- 级联选择器样式 -->
.el-cascader {
  width: 100%;
}
</style>
